CN1105040C - Wheel for motor vehicle - Google Patents

Abstract

A motor vehicle wheel comprising a rim star with gas ports and connected to a rim carrier, the wheel comprising two housing parts assembled from the rim carrier and the rim star, each having inner and outer walls, which are interconnected in the region of the gas ports to form hollow spokes therebetween, wherein The empty spokes merge into the end-side central annular cavity.

Description

motor wheel

The invention relates to a motor wheel and a method of manufacturing a motor wheel.

DE 2311740 discloses a wheel comprising a ribbed rim star with gas ports, which is arranged in a rim carrier and has two rim flanges. The rim star and the interior of the rim carrier are welded in several places and consist of light metal castings, and the rim carrier is made of light metal sheet. US-PS 4,610,482 also discloses a wheel consisting of two parts, the rim carrier being welded into the rim star in the region of the rim flange.

The purpose of the present invention is to provide a multi-part wheel and its manufacturing method, which is simple to manufacture, small in weight and high in strength, and its structure is easy to connect, and different connection methods can be used.

The purpose of the present invention is achieved by the technical solution of the present invention. According to the present invention, a motor wheel is provided, including a rim star body provided with an air port and a rim frame connected with the rim star body, wherein the wheel includes : at least two housing parts in the form of a rim carrier and a rim star, each having shaped inner and outer walls, which are connected to each other by at least one joint; Extended hollow spokes, one end of which opens to at least one of the inner and outer annular cavities.

According to the present invention, there is also provided a motor wheel, comprising a rim star with air ports and a rim frame connected thereto, characterized in that the wheel comprises: at least two rim frames and rims each having shaped inner and outer walls two housing parts, which are connected to each other by at least one weld and at least one bolt; and radially extending hollow spokes formed in the overlapping wall regions of adjacent gas ports, which open at one end to an outer annular cavity.

According to the invention there is also provided a method of manufacturing a wheel comprising at least two housing parts, characterized in that one housing part produces the rim star and the other housing part produces the rim carrier and is provided with air ports on the rim star , wherein in the first machining step of machining the shell, the rim star with the outer annular bridge, the delimiting wall of the gas port and the cylindrical receiving part of the wheel fixing bolt and the mouth edge with the outer annular bridge, the gas port are machined The rim frame with the cup-shaped support and the hub sleeve, and then through the section of the shell to form a joint corresponding and complementary to each other, the two shell parts are assembled in the center, so that the edge of the star wall part of the rim abuts against the inner part of the air port of the rim frame On the edge, the rim sleeve is arranged in the outer ring of the rim, so that the end faces of the rim star and the annular bridge of the rim carrier are directly opposite each other, and then welded into a welded joint in the area where the shell parts are directly opposite each other, the said The two shell parts are connected.

The main advantage of the present invention is that both the rim star and the rim carrier are made of shell parts, which are connected to each other to form hollow spokes between the air ports of the shell parts. The shell parts can be manufactured by different methods and materials, so the welding method can be freely selected according to the wheel material, manufacturing method and connection method.

The housing parts each have a complementary area, that is to say, this area can play a so-called centering effect on each other when the two housing parts are plugged together, and its rim star has an air opening, which is formed by an inwardly facing delimiting wall. The assembled state of the housing parts protrudes into the port of the rim carrier and is connected to the mouth edge of the port, so that the connection can be achieved by welding or gluing processes.

Furthermore, when the rim star of the housing part is assembled with the rim carrier, the cylindrical receptacle of the rim star is arranged in the cup-shaped support of the rim carrier. In addition, the hub outer ring of the rim star is positioned on the hub sleeve of the rim carrier, and the said continuous raised surface is formed by the annular bridges of the two rim parts in the area of the mating outer ring of the two housing parts.

The finished wheel is preferably produced by joining the two housing parts between the two annular bridges, between the rim carrier hub sleeve and the rim star rim outer ring by means of welding, gluing or equivalent processes. In most cases, the delimiting wall of the rim star port is also connected to the edge of the rim carrier port.

According to a further embodiment, the rim star of the housing part and the hub ring of the rim carrier are plugged into each other, ensuring optimal centering of the connection of the two housing parts. The hub ring is completely covered for connection, such as welding to the inner bearing surface of the rim frame or the end of the hub inner ring is located in the middle of the hub outer ring, and its welding is inside the hub outer ring.

In order to specifically form the rim cavity and the rim outer ring cavity formed according to it, the connection between the rim frame and the rim star ring bridge is changed, so that the floating edge is approximately Z-shaped or angular, so as to make the concave of the concave rim cavity rack rims.

The housing part, in particular the wall delimited by the inward facing air port, is connected to the edge of the port of the rim frame between the air ports to form a reinforced hollow spoke whose end merges into the central ring cavity of the wheel and has a strengthening effect, annular A chamber side is formed around the hub sleeve between the port upper-defining wall and the annular bridge and the port lower-defining wall.

Reinforcing radial ribs can be produced on the hollow spokes, which are arranged on the rim of the housing part as a star and on the rim carrier of the housing part. The ribs provided on the hollow spokes are preferably opposite and act as half ribs. They are preferably arranged at a distance from one another on the center plane of the hollow spokes. The housing parts are made of different materials, for example aluminum alloys, magnesium alloys or titanium alloys, the individual housing parts are made of different material combinations, the manufacturing method of the housing parts made of sheet metal can be die casting or roll casting . The connection of the two housing parts is achieved by a welding process, such as fusion welding, laser welding, electron beam welding or an adhesive process.

Embodiments of the present invention will be further described below with reference to the accompanying drawings.

Figure 1 is a view of a wheel assembled from two housing parts in the directions of arrows X, Y and Z in Figures 2 and 3,

Fig. 2 is the sectional view of line II-II of Fig. 1,

Fig. 3 is the sectional view of line III-III of Fig. 1,

Figures 4 and 5 are cross-sectional views of lines IV-IV and V-V passing through the hollow spokes of the assembled housing,

Figure 6 is an enlarged view of detail A in Figure 2,

Figure 7 is an enlarged view of detail B in Figure 2,

Figure 8 is a sectional view through the two housing parts of another embodiment of the wheel formed by the two housing parts,

Figure 9 is a cross-sectional view of another embodiment of the wheel, the hub rings of the housing parts are partially inserted into each other,

Fig. 10 is a cross-sectional view of the hubs of the two shell parts completely inserted into each other according to the embodiment of Fig. 9,

Fig. 11 shows an embodiment according to Fig. 9 with an outer annular cavity arranged below the rim frame face and a Z-shaped floating rim edge and concave hollow spokes,

FIG. 12 shows the embodiment according to FIG. 9 with angular floating on the rim edge and concave hollow spokes connected on the outer ring cavity.

The wheel 1 actually comprises two housing parts 2, 3, which consist of a rim carrier 2a and a rim star 3a. The housing parts 2 , 3 are manufactured separately, fastened together and non-detachably connected to one another by means of connecting methods, for example by welding or gluing the parts S1 , S2 and/or S3 .

The rim star 3 a forms the outer part of the wheel 1 and comprises an outer wall 4 on which air openings 5 and cylindrical receptacles 6 for wheel fixing bolts (not shown) are provided, distributed around a hub sleeve 17 .

The outer edge of the rim star 3a is formed by the rim 8, to which is attached an annular bridge 9 extending inwardly of the rim, which is part of the raised face F.

The gas opening 5 forming the gas channel on the rim star 3a has an inwardly bent delimiting wall 10 which protrudes into the gas opening 11 of the adjacent rim carrier 2a. Between the gas openings 5 and 11 opening into the concentric annular chambers R1 and R2 of the wheel 1 at the end sides and the hollow spokes H thereof, a delimiting wall 10 is formed.

The rim frame 2a consists of an inner wall 12 and a concave frame 13 at an angle to the wall, which is connected by lifting deformation to the end-side annular bridge 14, which is docked with the annular bridge 9 of the rim star 3a, and the inner wall 12 has gas opening 5, and it has the mouth edge 15 that is arranged or put on on its inner wall, and on the gas opening 11 of wheel center direction, the cylindrical receiving part 6 of rim star 3a is arranged, and it corresponds to the cup-shaped in inner wall 12 Bearing 16 , in the closed state of housing parts 2 , 3 , the hub sleeve of rim carrier 2 a is arranged on hub outer ring 18 of rim star 3 a and is mounted in annular region 19 by means of a so-called slip fit.

Through the specific regions of the two housing parts 2, 3 of the rim carrier 2a and the rim star 3a, such as the annular bridges 9, 14, the limiting wall 10 with the mouth edge 15, the cylindrical receiving part 6 with the cup-shaped support 16 and the The hub outer ring 18 of the hub sleeve 17 achieves the described centering or pre-centering of the housing parts 2 , 3 relative to one another, whereby the connection can be completed.

The limiting wall 10 of the air port 5 of the rim star 3a is bent inwardly of the wheel and preferably adjoins the inner side of the mouth edge 15 of the air port 11 in the rim frame 2a, or the end face of the limiting wall 10 is in contact with the surface of the inner wall 12 of the air port 11 from the outside. The contact or mouth edge 15 faces outwards and the three end faces are welded against the end faces of its bounding walls.

Another exemplary embodiment of the wheel 1 is shown in FIGS. 9 and 10 , the two housing parts 2 , 3 each having a hub ring 17C, 18C which are plugged into each other. As shown in Figure 9, the hub inner ring 17C of the housing part 3a is partially inserted into the hub outer ring 18c of the housing part 2a, that is, the end of the hub inner ring 17c is located approximately in the middle of the hub outer ring 18c and the connecting position 40 Located on the hub outer ring 18c.

As shown in FIG. 10, the hub rings 17c, 18c cover each other, that is, the hub inner ring 17c is inserted into the hub outer ring 18c in such a way that its connection point 40 is located on the support X-X of the rim frame 2 or housing part 2a.

The centers of the two housing parts 2 , 3 lie on the opposite faces 41 , 42 in the area of the receiving parts 6 of the wheel fastening bolts on the one hand and on the opposite faces 43 , 44 between the receiving parts 6 on the other hand. The wheel fixing bolt or the overall center of the wheel with the cylindrical receiving portion 6 is closed by a cover 45 .

FIGS. 11 and 12 show so-called deep frame rims, in which the cavity H is deeper relative to the outer plane A of the wheel 1 than in the embodiment of FIGS. 9 and 10 .

In the embodiment shown in Figure 11, the outer ring cavity R3 is defined by the outer side of the limiting wall 10 and the inner side of the annular bridges 53, 54 and the inner wall 55 of the hollow spoke H, the annular bridges 53, 54 extend along the frame surface 50, and the annular The opposite edge 55 of the chamber R3 has a dimension a below the frame surface 50, forming a Z-shaped free edge 55. Protrusion 52 is not a connection location.

The corresponding free edge 55a in FIG. 12 is approximately angular, wherein the annular cavity R3 adjoins the leg 56 of the edge 55a.

After the two housing parts 2 , 3 are fastened together, they are connected to each other, for example, by welding S1 , S2 , S3 , the welding S1 being located between the two annular bridges 9 and 14 . For better alignment with one another, one of the ring bridges 9 or 14 has an angular receptacle 20 , in the example shown the ring bridge 14 has an angled receptacle 20 , the other welding point S2 is located in the hub sleeve of the ring area 19 17 and the hub outer ring 18, while the weld S3 is located between the boundary wall 10 of the gas port 5 and the mouth edge 15 of the gas port 11 of the rim frame. Weld S3 is also interchangeable with other welds S1 and S2.

The welding connection S3 of the two shell parts 2 and 3 in the area of the gas ports 5 and 10 forms closed hollow spokes H, which are respectively distributed between adjacent gas ports, and whose ends merge into the annular chambers R1 and R20 by two other The shell 2,3 that closes together forms the empty wheel, wherein the arc of the empty spoke H can be selected arbitrarily. Ribs 35 , 36 arranged radially on the hollow spokes are preferably arranged on the center plane of the hollow spokes and opposite each other, wherein preferably a free hollow spoke is included. The rib end faces can also be arranged directly on one another.

For the non-detachable connection of the two housing parts 2 and 3 to produce the wheel 1, fusion welding, laser welding or electron beam welding can be used. Furthermore, it is also possible to connect the housing parts 2 , 3 by suitable adhesive bonding, for example a two-component adhesive instead of welding.

The material of the housing parts 2 , 3 can be sheet metal, a die-cast material or a roll-cast material. The raw material alloys of the housing components may be aluminum alloys, magnesium alloys or titanium alloys.

Another embodiment in FIG. 8 shows two housing parts 2 , 3 formed by a rim star 3 a and a rim carrier 2 a whose annular bridge 14 a reaches the outer wall 14 of the rim 3 a, formed on the inner surface of the outer wall 3 Solder S4 or glue. The defined wall protrudes through the mouth 11, the protruding end 30 being welded through the mouth edge 15, the rim carrier 2a has a cup-shaped support 16a, on which a cylindrical receiver 18a is arranged, and the edge of the sleeve 17a rests against the annular joint from the inside 31 and connected by welding S5 or bonding.

In another embodiment of the wheel 1, instead of the welded connections S2 and S3, a bolted connection can also be used. If the limiting wall 10 or the mouth edge 15 is formed so that it can be bolted, bolts can also be used in the area of welding S2 or S5.

The preferred method of manufacturing the wheel follows the steps below:

In the first machining step of machining the housing, the rim star with the outer annular bridge, the delimiting wall of the gas port and the receiving part of the wheel fixing bolt is machined, as well as the outer annular bridge, the mouth edge such as the gas port and the cup-shaped support. And the rim frame of the hub sleeve, and then through the mutual cooperation of the shell sections, the centers of the two shell parts are closed to form a pre-connection, so that the edge of the rim star wall part is against the inner edge of the rim frame air port, and the hub sleeve The cylinder is arranged in the outer ring of the hub, and the end faces of the rim star and the annular bridge of the rim frame are directly opposite, and then welding is carried out in the area where the shell parts directly contact or face each other, and the two shell parts are connected to process the wheel. When gluing the housing parts to one another the contact surfaces have an adhesive, the connection types S1 to S5 can be replaced by gluing.

Claims (32)

1. Motor wheel, comprising the rim star body that is provided with air port and the rim frame that is connected with described rim star body, it is characterized in that, described wheel (1) comprises: at least two with rim frame (2a) and rim star body (3a) Formed housing parts (2, 3) each having shaped inner and outer walls (12, 4), which are interconnected by at least one joint (S1, S2, S3; 40); and in the housing parts (2, 3) Radially extending hollow spokes (H) formed by overlapping wall regions of adjacent gas ports (11, 5), one end of which opens to at least one inner and outer annular cavity (R1, R2; R3). 2. The wheel according to claim 1, characterized in that the housing part (3) forming the rim star (3a) is provided on the outer wall (4) with a cylindrical receptacle (6) for the wheel fixing bolt, the hub The outer ring (18), the delimiting wall (10) forming the air port (5) and the rim flange (8) with the annular bridge (9) remote from the inner side. 3. The wheel according to claim 1, characterized in that the housing part (2) forming the rim carrier (2a) is provided with a hub sleeve (17) and a concave cup-shaped support (16) on the inner wall (12) , a cylindrical receiving portion (6) for the wheel fixing bolt supported on the rim star (3a). 4. The wheel according to claim 1, 2 or 3, characterized in that the shell part (2) of the rim carrier (2a) is provided with an annular bridge (14) on the outer edge, which is connected to the wheel (1) The deeper recess (13) connects the rim star (3a) and the annular bridge (9,14) of the rim frame (2a) to form the tire support surface when the housing parts (2,3) are assembled. 5. The wheel as claimed in claim 1, characterized in that the two housing parts (3 and 2) are assembled centered on each other by the complementary regions of the rim star (3a) and the rim carrier (2a) and by means of the annular bridge At least two connections (S1, S2) between (9 and 14) and between the hub sleeve (17) and the hub outer ring (18) are interconnected. 6. The wheel as claimed in claim 1 or 5, characterized in that the delimiting wall (10) of the air port (5) and the cylindrical receiving portion (6) for the wheel fixing bolt form complementary regions of the rim star (3a) , which cooperate with the cup-shaped support (16) of the rim frame (2a), whose delimiting wall (10) partially protrudes into the air port (11) of the rim frame (2a). 7. The wheel as claimed in claim 6, characterized in that the delimiting wall (10) of the gas opening (5) of the rim star (3a) rests on the mouth edge (15) of the rim carrier (2a). 8. The wheel according to claim 6, characterized in that the walls (10) of the gas openings (5) on the rim star (3a) each comprise a wall portion of an outer wall (14) bent inwardly towards the wheel and form a gas channel . 9. The wheel as claimed in claim 5, characterized in that the complementary end regions of the rim carrier (2a) of the housing part (2, 3) and the two annular bridges (9, 14) of the rim star (3a) and the rim carrier ( The hub sleeve (17) of 2a) is interconnected at S1 and S2 with the hub outer ring (18) of the rim star (3a). 10. The wheel according to claim 1, characterized in that the housing parts (2, 3) of the rim carrier (2a) and the rim star (3a) are on the mating end faces of the two annular bridges (9, 14), at The area between the hub sleeve (17) and the hub outer ring (18) and the area between the limiting wall (10) and the mouth edge (15) are interconnected at connection points (S1, S2, S3). 11. The wheel according to claim 1, characterized in that on the housing part (2) of the rim carrier (2a) there is a continuous annular bridge (14a) which directly abuts against the rim star (3a) On the inner surface of the outer wall (4). 12. A wheel according to claim 10, characterized in that at least one of the annular bridges (9 or 10) has an angular receiving portion (20) for the other annular bridge (14 or 9). 13. The wheel as claimed in claim 10, characterized in that the joint (S1) between the two annular bridges (9, 14) is substantially in the plane of the inner wall (12) of the rim frame (2a), by Therefore, the annular bridge (14) of the rim carrier (2a) is shorter than the annular bridge (9) of the rim star (3a). 14. The wheel as claimed in claim 10, characterized in that the limiting walls (10) are inserted through the gas openings (11) of the rim frame (2a) and fixed to the corresponding mouth edges (15) by means of connections (S4). 15. The wheel according to claim 10, characterized in that, on the one hand, the hub outer ring (18) of the rim star (3a) is press-fitted on the hub sleeve (17) of the rim frame (2a), on the other hand the hub frame The cup-shaped support (16) of (2a) is press-fitted in the cylindrical receiving part (6) of the rim star (3a), the bottom of which is supported on the bottom of the cup-shaped support (16). 16. The wheel according to claim 10, characterized in that the hollow spokes (H) between adjacent gas ports (5, 11) are formed by the inner and outer walls (12, 12, 4) and the limiting wall (10) of the gas port (5) is formed. 17. The wheel as claimed in claim 10, characterized in that the cup-shaped support (16) of the rim carrier (2a) has a hub ring (17a) whose end face rests against the hub ring (31) of the rim star (3a) and positioned in this area by the junction (S5). 18. The wheel according to claim 10, characterized in that the housing part (3) of the rim star (3a) has a central hub ring (17c), which is inserted into the housing part (2) of the rim carrier (2a). In the central hub outer ring (18c) and a part thereof extends in the central hub outer ring, the joint joint (40) of the two hub rings (17c and 18c) is set in the hub outer ring (18c). 19. The wheel according to claim 18, characterized in that the hub inner ring (17c) extends through the hub outer ring (18c) to the inner plane (46) of the housing part (2) of the rim frame (2a) to plane (X-X) and the common junction (40) is on this plane. 20. The wheel as claimed in claim 18 or 19, characterized in that the housing parts (2, 3) of the rim star (2a) and of the rim carrier (3a) are located between the receiving parts (6) for the wheel fixing bolts The regions have a common bearing surface (41, 42) and further bearing surfaces (43, 44) between the receptacles (6) and are covered by a closure cover (45) via the wheel fastening bolts. 21. The wheel according to claim 10, characterized in that the outer ring cavity (R3) is formed by the delimiting wall (10) of the rim star (3a) and the shell of the rim frame (2) protruding from the rim frame surface (50) The edge bridge (51) of the body part (2a) is formed, the junction (S1) of the two annular bridges (9, 14) is located in the region of the rim boss (52). 22. The wheel as claimed in claim 21, characterized in that the annular cavity (R3) is defined by the wall (10) of the housing (3) of the rim star (3a) and the rim at a distance from the projection (52) of a certain size. The star (3a) and the annular bridge (53, 54) of the rim frame (2a) are formed, the annular bridge (54) of the rim frame (2a) extends in a straight line to the rim frame surface (50), and the annular cavity (R3) Located under the rim frame face (50). 23. A wheel as claimed in claim 22, characterized in that the confining wall (10) enters the convex floating edge (55) of the rim star (3), which edge (55) is substantially Z-shaped and terminates in the rim convex Edge (8). 24. The wheel according to claim 22, characterized in that the limiting wall (10) enters the floating edge (55a) of the rim star (3), which is approximately angular and terminates in the rim flange (8). 25. The wheel according to claim 1, characterized in that radial ribs (35, 36) are each integrally produced on the inner surface of the hollow spokes (H) of the housing parts (2, 3) of the wheel (1). 26. The wheel as claimed in claim 25, characterized in that the ribs (35, 36) provided on a respective hollow spoke (H) are provided on the center plane, opposite and spaced from each other. 27. The wheel according to claim 1, characterized in that the wheel (1) is made of sheet metal, die-cast or roll-cast housing parts (2, 3). 28. The wheel according to claim 1, characterized in that the shell parts (2, 3) of the wheel (1) are made of aluminum, magnesium, titanium alloy materials. 29. The wheel according to claim 1, characterized in that the two shell parts (2, 3) connecting the wheel (1) adopt fusion welding, laser welding or electron beam welding process. 30. The wheel according to claim 1, characterized in that the two housing parts (2, 3) of the wheel are connected to each other using an adhesive. 31. A motor wheel, comprising a rim star body provided with an air port and a rim frame connected thereto, characterized in that the wheel (1) comprises: at least two formed inner wheels in the form of a rim frame (2a) and a rim (3a) , two housing parts (2, 3) of the outer wall (12, 4), which are connected to each other by at least one weld (S1; S4) and at least one bolt; and in the overlapping wall region of adjacent gas ports (11, 5) Radially extending hollow spokes (H) are formed, one end of which opens to an outer annular cavity (R1, R2; R3, R2). 32. A method of manufacturing a wheel comprising at least two shell parts, characterized in that one shell part produces a rim star and the other shell part produces a rim carrier and is provided with air ports on the rim star, wherein during machining In the first machining step of the shell, the rim star with the outer annular bridge, the delimiting wall of the gas port and the cylindrical receiving part of the wheel fixing bolt is processed, and the outer annular bridge, the mouth edge of the gas port and the cup support are processed And the rim frame of the hub sleeve, and then through the section of the shell to form joints corresponding and complementary to each other, the two shell parts are assembled in the center, so that the edge of the star wall part of the rim abuts on the inner edge of the air port of the rim frame, and the rim The sleeve is arranged in the outer ring of the rim so that the end faces of the rim star and the annular bridge of the rim carrier are directly opposite each other, and then a welding joint is welded in the area where the shell parts are directly opposite each other, and the two shell parts are joined to connect.

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